Tab to space. Added contributor credit.

Docs/Urho3D.dox

@@ -87,6 +87,7 @@ Urho3D development, contributions and bugfixes by:
 - David Palacios
 - Alex Parlett
 - Jordan Patterson
+- Anton Petrov
 - Vladimir Pobedinsky
 - Pranjal Raihan
 - Nick Royer

README.md

@@ -39,6 +39,7 @@ Urho3D development, contributions and bugfixes by:
 - David Palacios
 - Alex Parlett
 - Jordan Patterson
+- Anton Petrov
 - Vladimir Pobedinsky
 - Pranjal Raihan
 - Nick Royer

Source/Urho3D/Container/Ptr.h

@@ -192,7 +192,7 @@ public:
     unsigned ToHash() const { return (unsigned)((size_t)ptr_ / sizeof(T)); }
 
 private:
-	template <class U> friend class SharedPtr;
+    template <class U> friend class SharedPtr;
 
     /// Add a reference to the object pointed to.
     void AddRef()